Get new tires

Know When To Get New Tires

November 12, 2015 – 04:45 pm

Know what tread is: Tread is what gives your tires traction. Tread gives spaces for snow and water to pass through so that your tire remains in contact with the road. If you have no tread, snow and rain can lift your tires off of the ground.

Take a penny and stick the penny into the thickest part of the tread with Lincoln's head upside down. If you cannot see Lincoln's head, you still have 2/32 in. of tread. If you can see Lincoln's head, it is time to get new tires.

Quarter Test (4/32 in tread): You can apply the same test as the penny with a quarter for more tread depth. Stick the quarter into the thickest part of the tire with Washington's head upside down. If you cannot see the top of Washington's head, you still have 4/32 in. of tread. If you can see the top of Washington's head, it is time to get new tires.

Tread Wear Bars: Most cars have wear bars, which are bits of rubber in the tire pattern at a certain depth. When the wear bar and the tread patter are at the same level, you need to replace your tires.

A look at the "science of safety" as applied to Indy or NASCAR racing. From tires to roll-cages to hood flaps, we examine the incredible technology that's helping prevent crashes and enabling drivers to survive the inevitable ones. See how today's innovative minds digitally reconstruct crashes and design new technology that keeps pushing the...